<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>03_元素的放大与过度</title>
    <style>
        div{
            width: 200px;
            height: 200px;
            background-color: red;
            margin: 100px auto 0;
            /*变幻时间*/
            transition: 1s;
        }
        div:hover{
            background-color: blue;
            /*变换图形，放大缩小*/
           transform: scale(1.5)
        }
    </style>

</head>
<body>
<div>

</div>
</body>
</html>